Finding the Fourth Proportional to 11,333,471.68, 15,639,790.80 and 6,176,730.88
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Solution
The fourth proportional to 11,333,471.68, 15,639,790.80 and 6,176,730.88 is: 8,523,670.55
Step by Step Solution
- Step 1: Write the proportion equation
11,333,471.68 : 15,639,790.80 = 6,176,730.88 : x - Step 2: Convert to fraction form
11,333,471.68/15,639,790.80 = 6,176,730.88/x - Step 3: Cross multiply
11,333,471.68x = 15,639,790.80 × 6,176,730.88 - Step 4: Simplify right side
11,333,471.68x = 96,602,778,791,099.91 - Step 5: Solve for x
x = 96,602,778,791,099.91/11,333,471.68 - Step 6: Final answer
x = 8,523,670.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.